While boarding a flight to Perth, the 36-year-old Australian allegedly threatened: "I wish the aircraft to crash and kill everyone." SINGAPORE: A passenger who threatened to crash a Jetstar flight while boarding the plane at Changi Airport was charged with using threatening words on Monday (Dec 9). Moncrieff Marli Curtis Philip, a 36-year-old Australian, told the court that he will plead guilty to his two charges. An urgent hearing for him to do so was fixed on Dec 18. Moncrieff is accused of